Canada Travel Guide

Note: These general guidelines apply mainly to the settled areas of southern Canada. Travelers heading to northern areas, such as the Yukon, the Northwest Territories, Nunavut and Labrador, should bring warm clothing for all but the summer months (and even in summer, at least a lightweight jacket is advisable). See the individual provinces and territories sections for more details.

March: Moderate temperatures. Winter clothing with some mediumweight clothing.
April: Milder days but the evenings are cool. Mediumweight clothing including a topcoat and umbrella is recommended.
May: Warm days but cool at night. Mediumweight and summer clothing recommended.
June: Warm, summer clothing with some mediumweight clothing for cool evenings. The weather in June is ideal for travel and all outdoor activities.
July/August: These are the warmest months of the year. Lightweight summer clothing is recommended.
September: Warm days and cool evenings. Light- to mediumweight clothing recommended.
October: Cool, with the first frost in the air.
November: Cool to frosty. Medium- to heavyweight clothing is recommended. First signs of snow.
December/January/February: Winter temperatures. Winter clothing is necessary (eg overcoat, hat, boots and gloves). Heavy snowfall in most provinces.